cavu

n.[空] 云高及能见度无限,晴朗与能见度极好

天气十分良好，无云无雾；

形容词；

1、We had a perfect CAVU day for our beach outing.
我们的海滩郊游天气非常良好，无云无雾。
2、The pilot reported a CAVU condition for the flight.
飞行员报告飞行条件良好，天气晴朗。